Road scraper



E. J. JAcKoBoucE ROAD SCRAPER Filed March 21'. 192:5

' @www l la. J. JAcKosoacvz-L ROAD SCRAPER Filed March 2l. 1923 2 Sheecs-Sheet 3 cke boia a estimation filed Klaren i2-it, Nm3.

To all whom t 'may comme?.

Ee known that if, ilnwlinn d. dneiionoion,

eitizen of 'the United States, residing at @rend Rapids, in the county otl lient and State of ichigen, here invented new and nsetnl improvements in Road Scrapers, of which the foiloiving; is a specification.

The present invention reiates to road Scrapers; and its object is to provide a road having improved means ior yieldingiy libidine the seraper blade in Contact with the sartene of the reed being operated on; and inrtber, to provide such a scraper iie'i'ing improved means for changing the angle of the scraper hiade relatively to the direction of the machines, travel over the reno; and further, to provide such a srraper hoi/'ing improved means for raising end lowering scraper blade; -and further, to provide improved Amore specific means for nsrryingg' ont Said objeeis.

These and any other objects hereinafter appearing are attained and theini'ention finds preferable embodiment in. the road scraper partienlarly described in the body of this specieetion and illustrated by the aceornpanying drawings, in n'liiirhj-w .17' ignre 1 is a top pion View of e portion or" a. vehicle and. a road scraier mounted thereon;

Figure 2. is a le'thend side Yie\\"tl1ereot, the sereper blade ot' the machine being shown et rigb: angles to the 7:ehiele iu this View;

Figi "e 3 is a side View or" part et the mechanism for tilting the scraper blade;

Figure is e side View of an adjustable bearing bioek and connected parts;

is bearing block and connected perte;

Figure G is a 'liront edge View ot tbe seine, connected parts being; sectioned on line tie-6 of l'ignre 5; and

Figure 7 is a rearriew o a portion of the scraper blade and Connected parts.

'in the ei'olloi'linient oi the invention ehosen for iilns-rtration by the drawings and 'for side View of a non-adjusts,

cally to fixed clamped positions, being thus clamped in position by the 'screw bolts 7. These bearing members 6 have horizontallydisposed bearings 8 in which rocks a hori zontaliy-disposed shaft 9 carrying the scraper blade l0. This scraper blade is thus carried by means ot collars l tnrnably ad instable toA fixed positions on the shaft by clamping screws l2, the scraper blade being supported on the collars by means oip its upright posts 13 rockuhly mounted on the collars at 141-. The scraper blade is yieli'lingly heid relatively to the collars by springs l5, 1G coiled around -rods l? carried by the collars and passing freely through openings in the scraper blade, these springs press'- ing against the opposite sides respectively of the scraper blade,y their tension being adjustable by the nuts l5) threaded on said rods. llt will be seen that the scraper bladeI is thus held yieldine'ly balanced by the springs l5 and 1G and may thus yield forwardly or rearwardly in its Contact with the surface 20 of the road being operated on.

The scraper blade may be tilted to a desired angle about the axis of the shaft 9 by rocking the shaft in its bearings 8 by suitable means` as by turning the. upright shettv 2l {provided with a suitable hand Wheel not shown), journelled 'at 22 on the vebieies frame and having :i worm 23-1nesh ing with a toothed segment 52-1 pivoted et 25 on the frame and pivoted eceentrically at 26 to a eonneoting rod 27 whose rear end is pivoted e028 on an arn'i :29 of o sleeve 30 on the shaft C', said. sleeve being adjustable by its Clamping screws 3l in fixed positions on the shet.

,in order that 'the angle between the scraper blade and the travel of the vehicle over the road (the direction ot such travel beingf indicated by the arrow in Fi ure l) .may he changed as desired, one or bath of the bearing blocks 3 muy be movedhorizontelly on the frame of the vehicle-L e.,

either forwardly or renrWardly-tbe shaft 9 in such moven'ient slidingin ivts bearings 8; and these bearingblocks 3 may, when thus moved, be secured to the fra-Ine by their attaching bolts 32 passing through other openings 33 in the "frame: or, as shown, one or both of said bearing blocks. may be slid forwardly or rearwardl on the4 frame by the screw 34 threaded? on thel lvehicles :frame and engaging the bearing block at 35 and by its turnirier movement sliding the MEQ vscraper blade A ma bearing block along the frame in bearings aorded by the frames slots 36 throu h which pass the bolts 32 which secure txlie bearlng block slidably 'to the frame. The be bodily raid or lowered, together wit the shaft 9 and parts carriedthereby, by the vertical movement of the spindles 5` of the4 bearing members 6 in the vertical bearings 4 of bearing blocks 3, these spindles being thereupon secured in ,position by tightening the clamping bolts 7. The connecting rod 27 may be lengthened and shortened as required by turning its 'cles travel by moving turnbuckle 4.0, and the brace 4l may be similarly adjusted as to length by its slotted splice portion 42, as illustrated in Figure 1.`

i worm and segment mechanism connected to the sleeve this sleeve and also the collars a frame, a road'scraper 11 may be adjlpsted to desired turned positions on the s aft 4l by clamping screws 31 and 12; 'the scraper blade is yieldingly balanced against .rearward and; forward turning movement on its pivotal mounting 14 by the s rings 15 and 16, whose tension is adjustab e by the nut 19'. v The invention being intended to be pointed out in the claims, is not to be limited toor by details of construction of the particular embodiment thereof illustrated by the drawings or hereinbefore described or shown. `I claim: v

1'. In combination witha vehicle having comprising: a horizontally-disposed shaft rockable inhearings on said frame; a scraper blade carried by the shaft rockably on'a horizontally-disposed axis; springs carried bythe shaft and pressing against the opposite sides respectively of the scraper blade.

2. In combination with a vehicle having a frame, a road scraper comprising: ahorizontall -dispose'd shaft -rockable in bearings on saidyframe; collarscarried by the shaft;

a scraper blade carried by the collars rockably on a horizontally-disposed axis; springs carried b the collars andv ressing against the opposite sides respective y of the scraper i 3. In combination with a vehicle havinga frame a road scraper comprising: a horizontally-disposed shaft i'ockable'in bearings on said frame; collars carried by the shaft adjustably .to fixed turned positions thereon;

a scraper blade carried by the collars rockslibly on a horizontally-disposed axis; springs igavaaae carried by the collars and pressing against the opposite sides respectively of the scraper blade. v

ll. ln combination with a vehicle having a frame, a road scraper com rising: a horizontally-disposedshaft rocgable in bearings on said frame; a scraper blade carried by the shaft rockably on a horizontally-disposed axis; springs carried by the shaft and pressing against the opposite sides respectively of the scraper blade; means for rocking the shaft to iixed positions.

5. ln combination with a vehicle having a vframe, a road scraper comprising: a horizontally-disposed shaft rockable in bearings on said frame; a scraper blade carried by the shaft rockably on a horizontally-disposed' axis; springs carried by the shaft and pressing against the opposite sides respectively of the scraper blade; a sleeve carried byv the shaft adjustably to fixed turned vpositions thereon; means extending between said frame and the sleeve for rocking the shaft to fixed positions 6. In combination with a vehicle having a frame, a road scraper comprising: a horizoiitally-disposed shaft rockable in bearings on said frame; collars carried by the shaft; a scraper blade carried by the collars rockably ona 1-iorizontally-disposed axis; rods carried by the collars and extending through openings in the scraper blade; springs coiled about the rods and pressing against the opposite sides. respectively of the scraper blade..

7. In combination with a vehicleA having a frame, a road scraper comprising.; a horizontally-disposed shaft rockable in bearings on said frame;- collarscarried by the shaft; a scraper blade carried by the collars rockably carried by the collars and extending through openings in the scraper blade; springs coiled about the rods and ressing against the opposite sides respective y of the scraper blade; means for adjusting the tension of the springs.

8. ln combination with a vehicle having a frame, a road scraper comprising: a horizontally-disposed shaft rockable in bearings on said frame; ascraper blade carried ,by the shaft rockably on a horizontall -disposed axis; springs carried by lthe sha and pressing a ainst the opposite sides respectively oft e scraper blade; means for adjusting the tension of the springs.

9. n combination with a vehicle having a frame, a road scraper comprising: bearing blocks carried by the frame adjacent itsopon a horizontally-disposed axis; rods Mil aereas@ carried by the shaft rockably on a horizontally-disposed axis; springs carried by the shaftand pressing against the scraper blade.

i0. in combination with a vehicle having s a trame, a' road scraper comprising: bearing bloclzscarried .by the frame adjawenty its opposits sides respectively and having vertically-deposed Mailings, at least one of said blocks being horizontally adjl'lstable' to ixed positions on said frame; bearing members recitably mounted in said bearings and having horizontally-disposed bearings; a horizontally-disposed shaft "rockable in said lest-mentioned bearings; a scraper blade carried by the shaft rockably on a horizontally-disposed axis; springs carried by the shaft and pressing against the scraper blade. il. In combination with a vehicleA having a frame, ,a road scraper comprising: a horion said frame; collars carried by the shaft; a scraper blade carried by the collars rockably on a, horizontally-disposed axis; rods carried by the collars and extending through `openings in the scraper blade; springs coiled about the rods and' pressing against the scraper' blade. y l2, in combination with a vehicle having a iframe, a. road scraper comprising: bearing blocks carried by the frame adjacent its 0pposite sides respectively and having verti. cally-disposed bearings; bearing members vertically/movable to fixedv positions in said bearings and vhaving horizontallydisposed bearings; a horizontally-disposed shaft lrockable in said last-mentioned bearings; -a scraperblade carried bythe shaft rockably on ahorizontally-disped axis; 4springs 'carried by the shaft and pressing against the scraper blade.

13; in combination with a vehicle having a frame, a road scraper comprising: bearing blocks carried by the frame adjacent its op'- posite sides respectively and having 4vertizontally-disposed shaft roz'kable in bearings cally-disposed bearings; bearing members rockable .and vertically-movable to fixed positions in said bearings and having horizontally-disposed bearings; a horizontallydisposed shaft rockable in said last-mentioned bearings; a scraper blade carried by the shaft rockably on a horizontally-disposed axis; springs carried by the shaft and pressing against the scraper blade.

14. In combination with a. vehicle having a frame, a road scraper comprising: hearing' pressing against the opposite sides respectively of the scraper blade; means extending a between said frame and the sha ft for roclid ing the shaft to fixed positions.v

15. In combination with a vehicle having a frame, a road scraper comprising: a horizontally-disposed shaftrockable in bearings on the trame and having a radially-extending arm; a scraper blade carried by the shaft; a i

worm rotatably mounted on the frame; a

vtoothed segment rotatably* mounted on the frame and meshing with the worm; a rodpivotally connected to the segment eccentrically thereotl and to the arm of the'shaft for v rocking the shaft by the turningmovement. of the Worm. .In testi'mon whereof have hereunto set my hand at rand Rapids, Michigan, this 19th day of March, 1923. i

EDWARD J. JACKBOCE. 

